+1 (800) 533.0386


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58256 266th Street
Brownsdale, MN 55918 | USA
TF: (800) 533.0386
Ph: (507) 567.2261
Fx. (507) 567.2605


Robin Lorenzen


Ph: (507) 993.6392

Robin Lorenzen has been with Akkerman since 1989. Lorenzen began his employment with D.H. Akkerman Construction Inc., as a pipeline and utility crew member until 1992 when the construction arm of the business dissolved. He moved to Akkerman Manufacturing as a mechanic and field technician and for many years, he was directly responsible for helping contractors install thousands of feet of pipeline all over North America and Europe. Lorenzen’s mechanical and field experience makes him an integral resource in the conceptualization and design of many Akkerman product offerings. In 2007, Lorenzen transitioned to the sales department where he has since served as a sales manager.

Chris Sivesind


Ph: +1 (507) 440.6473

Chris Sivesind, sales manager is located in Seattle, Washington and also provides sales and dealership relations and support in Europe, India and Southeast Asia. He began his career as regional manager for his family’s pipe jacking and auger boring construction business. Following this, he worked as sales representative and specialty shoring installation consultant for a trench box rental group then sales for a pipe jacking equipment manufacturer. Sivesind is an active participant in many industry associations and is the immediate past chair for the Pacific Northwest Chapter of NASTT. He holds a bachelor’s degree in Business Administration from Washington State University.

Troy Stokes


Ph: +1 (507) 993.6391

Troy Stokes, based in Daytona Beach, FL, has been sales manager at Akkerman for 12 years, and also provides dealership relations and support in Australia and New Zealand. Stokes’ vocation in the underground construction industry has spanned nearly four-decades. His career began with his family’s construction business, installing residential and commercial pipelines and utilities. Stokes then provided global equipment sales and service for a microtunneling equipment manufacturer for 20-years. Stokes has been a contributing member for many associations and their regional and global chapters. He is integrally involved with the annual Microtunneling Short Course, was a recent keynote speaker and recipient of a 2015 Microtunneling Achievement Award and was an integral member of the ASCE's Pilot Tube Microtunneling Manual of Practice committee which was released in 2017.

Cecilia Zavaleta


Ph: +1 (909) 935.7866

Sales Manager Cecilia Zavaleta is located in Riverside, California and provides customer support and dealership relations in Mexico, and Central and South America. Zavaleta has been in sales and new business development in the heavy construction equipment industry for over 10 years. She was previously employed as a territory sales manager for an auger boring equipment manufacturer and a co-owner and general manager for an HDD equipment dealership. Zavaleta holds a Doctor of Business Administration degree from Argosy University, in Ontario, California and is bilingual in English and Spanish.

Yovani Zelaya


Ph: (507) 440.6176

Yovani Zelaya, based in Houston, TX, is sales manager and lubrication engineer. He began his career at an oilfield products and services supplier as numerical control programmer and computer numerical control machinist then worked as general manager for a drilling fluids manufacturer. He is a graduate of the University of Texas at Tyler in Houston and holds a bachelor’s degree in mechanical engineering. Zelaya is fluent in English and Spanish.


Edson Eduardo Alfani

Office: +55 11 2601 0918
Mobile: +55 11 94000 0826

CenterDrill is a Brazilian company, formed by highly specialized people in the MND market, with operations in Brazil and commercial relations among the best companies in the world. CenterDrill quickly emerged among the most promising companies operating in this context of technical assistance, maintenance, marketing of parts and supplies and representation of machines and equipment for this purpose.

Dott. Massimo Colli

Colli Drill S.p.A.
Office: +39 06 90 85 000
Mobile: +39 3486020565

Colli Drill S.p.A. sells underground drilling tools. Established in 1988, they are among the leading producers worldwide of rods and tools for guided and vertical drilling. Colli Drill S.p.A. is located near Rome and offers sales and service through its sister companies in Northern Italy. Colli Drill offers its clients top notch equipment and materials.

Sanjay Birbal

Lovsuns Tunneling Canada Ltd.
441 Carlingview Dr.
Toronto, Ontario M9W 5G7
Office: +1 647 255 0018
Mobile: +1 647 391 8862

Team Lovsuns is a global agent providing sales representation and after-market sales services for Akkerman equipment around the world. Lovsuns Tunneling Canada Ltd. is a wholly owned subsidiary of Liaoning Censcience Industry Co. Ltd. (LNSS) based in Toronto Canada.

Dr. Ing. Waldemar Wiejak

MARPOL Trenchless Technology
and Construction Equipment

Stara Wies, Grodziska 7
05-830 Nadarzyn, Poland
Office: +48 227 399 230
Service & Parts: +48 227 983 490
Mobile: +48 506 160 094

Marpol Trenchless Technology was established in 1996 to support the underground construction market and address European contractor’s needs in the trenchless pipe jacking and tunneling including all Akkerman products. Waldemar has many years of experience in tunneling industry. Marpol service, parts and warranty support is available in a short time for all European users of Akkerman systems.

Mario Mendoza Palma

MOLE Techología Sin Zanja
Augusto Leguia Norte 255, Oficina 45, Las Condes, Chile
Mobile: +56 9 82498365

MOLE Techología Sin Zanja is a representative for Akkerman trenchless systems in Chile, offering sales advise and equipment technical support.

Marcelo Beccar Varela

SA de Maquinarias Ingeniería y Técnica (SAMIT)
Uruguay 3751, Victoria, San Fernando, Argentina
Office: +54 11 4549 2151

SA de Maquinarias Ingeniería y Técnica (SAMIT), founded in 1958, is representative for Akkerman equipment systems offering sales and technical support throughout Argentina.

Rabie Ruziek

Trenchless Technology Middle East and Africa (MENA)
Mecca St. Al Anoud Complex Off. 624, Fahaheel, Kuwait
113 El Hegaz ST Heleopolis Cairo, Egypt
Office: +971 58 260 4251
Mobile: +965 60 303 031

Trenchless Technology Middle East and Africa is a distributor for Akkerman trenchless systems. They provide pre-sales advice and after sales service.

Ing. Sergio Alvarado Martin

Underground Construction Supply (UCS) Mexico
Calle Yuri Gagarin Lt. 35 Int. 36
Rancho Aereo, Tecamac
Estado de Mexico, 55770
Office: +52 (55) 5932 5444
Mobile: +52 1 (55) 2044 5410
Mobile: +52 1 (55) 4416 6259

UCS Mexico was established in 2013 to support the underground construction market and address Mexico's contractors needs in the trenchless pipe jacking and tunneling, HDD, pipe bursting, trenching, and vacuum excavation markets. UCS Mexico employs over two dozen underground construction specialists and offers service, after-market parts, and lubrication expertise.